Question

multiple choice question
the second energy shell of an oxygen atom can hold up to ______ electrons because it contains four orbitals.
o 4
o 6
o 2
o 8

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Explanation:

Each orbital can hold a maximum of 2 electrons. Since the second - energy shell of an oxygen atom has 4 orbitals, the total number of electrons it can hold is 2×4 = 8.

Answer:

8